President Obama huddled with his national security team today -- speculation. That the administration may curtail some of the one point five billion dollars worth of aid the US provides Egypt. In light of the violent crackdown resulted in more than a thousand people killed in just the past month. -- BC's chief global affairs correspondent Martha Raddatz reports tonight from Cairo. -- an exclusive interview with the Egyptian prime minister for our continuing coverage. Of the crisis in Egypt Martha. Good evening Cynthia from Cairo this is the first interview Egypt's prime minister has done. Since the military's brutal crackdown on its own. It has been the most violent week in the modern history of Egypt a military crackdown that has pushed this country to the brink of a civil war. -- one of America's great allies in this region awash in blood. Last month I've -- peaceful protests. When I returned yesterday I found a country with scars that will take decades to you. It began with the military ousting of Mohammed more -- Egypt's first ever democratically elected president and the leader of the Muslim Brotherhood party. More C supporters. Refuse to stop demonstrations. Despite threats from the military. Which moved in last Wednesday to crush them. More than 1000 people have been killed. Thousands more injured in the past week. The military intervention sparked outrage across the world. And did the US today for the first time we got an explanation. From Egypt's interim prime minister husband noble -- The world has seen the pictures. 900000. Dead in the pro Marcy. Camps I'm not sure that you have seen the two pictures do you wish that initial assault. Had gone differently. That there was too much force we announced it giving them this kind of continue. It is -- we are -- painful to battle. Bouts of they insistence. And they had two points and people's discomfort they used weapons I am not. Claiming that allowed police. Call me. Disciplined 100%. But I -- That by and launch -- I'll buy it -- and legal issues. All of this recent violence a stark contrast to that jubilant scene just two and a half years ago. -- tahrir square was occupied by young and defiant Egyptian protesters. Dissatisfied. With their government. They celebrated when President Hosni Mubarak and his regime were toppled. It. He was sentenced to life in prison. In another sign of the complete and people taking place in Egypt right now there's a story that Hosni Mubarak might be free and I understand that some. Me destruction has acquitted him from some of the position we have respect -- -- Justice Department. The looked over -- years and we would like. This to be taken as a time -- week we've cool and room was that wouldn't -- That sentiment is not shared widely in Egypt government employees is only -- -- -- -- of the state that's. I met Mohamed sultan a young Egyptian American who was shot while protesting the military takeover. He represents Egypt's future its best and brightest graduating from Ohio State University. We're going to continue being on the streets were going to go out and protest. Best we can end. If we have to die so that the next generation. Can live freely then so be it. The revolution two and a half years ago that toppled Mubarak. -- so much hope for each it. People went to the polls for the first time and Mohammed Morrissey was elected to ruled the country. He promised to fix Egypt's economic woes but the country deteriorated. Under more c.'s rules. And I think the methods still -- -- -- -- Mohamed -- the and I. Funeral would come here please get out. Earlier this summer millions of egyptians took to the streets again to protest their government. Within days the military. Has overthrown Morrissey and the rest of -- Yeah. Yeah yeah. Yeah it's. Yeah. Egyptians supported the army's decision to coast we're seeing. It was just a few miles away -- those Rome received protesters. Set up -- ignoring the military's warning. No country would amount to -- Have a -- I believe that the people taking the seats but they weren't killed for doing. We didn't provoke it we ask them to go free we started by a -- -- -- -- -- only tear gas and -- And set back by finding. Despite being one of America's allies. The prime minister knows America is now considering cutting off more than one billion dollars in aid to Egypt. What if the US cuts off. Military aid and this will be. A very bad sign him between definitely affect the -- -- that if for some time but don't forget. That the Egypt went who is the Russian. Militants opposed to forward with the kids and then. We survived and so there's no improved life you can -- was different. Circumstances. But just how Egypt one of the world's oldest existing civilizations. Will move beyond this. Is the question no one seems to have real answers to. He did go with people win or. Army continues to kill more people. Because every free Egyptian will remain on this -- because every household in Egypt now. Is impacted by the massacres after this past week to. For Nightline I'm Martha Raddatz in Cairo.

This transcript has been automatically generated and may not be 100% accurate.